Save money with energy efficiency Before you remodel an existing home or design a new one, consider all your energy efficiency options. NorthWestern Energy offers rebates for a variety of energy-savings upgrades in existing and new homes, including qualifying new manufactured homes. Schedule a FREE Home EnergyCheck to find solutions and recommendations for energy- savings upgrades and available rebates. Energy-efficient new home designs require attention to all of the little (and big) details of new construction from the roof, down to the foundation, and all the components in between. Home EnergyCheck & Rebates 1-800-823-5995 NorthWesternEnergy.com/Rebates Construction Services 01-83-FOR-BUILD or 1-833-672-8453 NorthWesternEnergy.com/NewConstruction NorthWestern Energy Delivering a Bright Future Save money with energy efficiency Before you remodel an existing home or design a new one , consider all your energy efficiency options . NorthWestern Energy offers rebates for a variety of energy - savings upgrades in existing and new homes , including qualifying new manufactured homes . Schedule a FREE Home EnergyCheck to find solutions and recommendations for energy savings upgrades and available rebates . Energy - efficient new home designs require attention to all of the little ( and big ) details of new construction from the roof , down to the foundation , and all the components in between . Home EnergyCheck & Rebates 1-800-823-5995 NorthWesternEnergy.com/Rebates Construction Services 01-83 - FOR - BUILD or 1-833-672-8453 NorthWesternEnergy.com/NewConstruction NorthWestern Energy Delivering a Bright Future